员工借款单提交操作插件：校验借款金额不可超过部门可用借款额度

shkd-cosmic-debug/src/main/java/shkd/fi/er/plugin/opplugin/DailyLoanBillSubmitOrgAmountAvailableCheckPlugin.java

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+package shkd.fi.er.plugin.opplugin;
+
+import kd.bos.dataentity.entity.DynamicObject;
+import kd.bos.entity.ExtendedDataEntity;
+import kd.bos.entity.plugin.AbstractOperationServicePlugIn;
+import kd.bos.entity.plugin.AddValidatorsEventArgs;
+import kd.bos.entity.plugin.PreparePropertysEventArgs;
+import kd.bos.entity.validate.AbstractValidator;
+import kd.bos.form.control.Label;
+import kd.bos.orm.query.QCP;
+import kd.bos.orm.query.QFilter;
+import kd.bos.servicehelper.BusinessDataServiceHelper;
+import kd.sdk.plugin.Plugin;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+/**
+ * 单据操作插件
+ * 员工借款单提交校验部门可用借款
+ */
+public class DailyLoanBillSubmitOrgAmountAvailableCheckPlugin extends AbstractOperationServicePlugIn implements Plugin {
+
+    /**
+     * 加载所有字段
+     * @param e
+     */
+    @Override
+    public void onPreparePropertys(PreparePropertysEventArgs e) {
+        super.onPreparePropertys(e);
+        List<String> fieldKeys = e.getFieldKeys();
+        fieldKeys.addAll(this.billEntityType.getAllFields().keySet());
+    }
+
+
+    @Override
+    public void onAddValidators(AddValidatorsEventArgs e) {
+        super.onAddValidators(e);
+        e.addValidator(
+                new AbstractValidator(){
+                    @Override
+                    public void validate() {
+                        String operateKey = this.getOperateKey();
+                        ExtendedDataEntity[] dataEntities = this.getDataEntities();
+                        for (ExtendedDataEntity extendedDataEntity : dataEntities) {
+                            DynamicObject dynamicObject = extendedDataEntity.getDataEntity();//获取单据对象
+                            BigDecimal loanAmount = dynamicObject.getBigDecimal("loanamount");
+
+                            //1、、计算借款可用额度
+                            BigDecimal bigDecimal = new BigDecimal(0);
+                            //查询审批未放款的当前部门的数据(已提交、审核中、审核通过、等待放款)
+                            QFilter qf = new QFilter("billstatus", QCP.in, new String[]{"B", "C", "E", "F"});
+                            DynamicObject[] bills = BusinessDataServiceHelper.load("er_dailyloanbill", "id.number,loanamount,balanceamount", qf.toArray());
+                            for (DynamicObject bill : bills) {
+                                BigDecimal loanamount = bill.getBigDecimal("loanamount");//获取借款金额
+                                bigDecimal = bigDecimal.add(loanamount);
+                            }
+                            //查询审批已放款的当前部门的数据(已付款)
+                            QFilter aqf = new QFilter("billstatus", QCP.in, new String[]{"G"});
+                            DynamicObject[] abills = BusinessDataServiceHelper.load("er_dailyloanbill", "id.number,loanamount,balanceamount", aqf.toArray());
+                            for (DynamicObject abill : abills) {
+                                BigDecimal balanceamount = abill.getBigDecimal("balanceamount");//获取待还款金额
+                                bigDecimal = bigDecimal.add(balanceamount);
+                            }
+                            // 计算可借款金额
+                            BigDecimal bigDecimal1 = new BigDecimal(300000);
+                            BigDecimal subtract = bigDecimal1.subtract(bigDecimal);
+                            if(subtract.compareTo(loanAmount) < 0 ){
+                                this.addMessage(extendedDataEntity, "部门借款可用额度不足，不允许提交");
+                            }
+                        }
+                    }
+                }
+        );
+    }
+}